Tube Amp Power Transformer Current Draw Calculator

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Power Transformer Voltage:




Rectifier Type:


Power Tube Type:

*6L6 tubes have different ratings. Please, select the correct type:




Optional Rload in Ohms (typically the output transformer primary impedance)

Only considered when PP (Push-Pull is selected)

Number of tubes

Power Tubes

Pre Amp Tubes:


Use formula for:






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